
* {
    margin: 0;
    padding: 0;
}

.box {
    width: 450px;
    height: 600px;
    border: 1px solid #333;
    display: flex;
    flex-direction: column;
    margin: 50px;
    position: relative;
}

.box>.show {
    width: 450px;
    height: 450px;
    border-bottom: 1px solid #333;
    position: relative;
}

.box>.show>.mask {
    width: 200px;
    height: 200px;
    background-color: yellow;
    opacity: 0.5;
    position: absolute;
    left: 30px;
    top: 40px;

    pointer-events: none;

    /* display: none; */
}

.box>.show>img {
    width: 100%;
    height: 100%;
    display: block;
}

.box>.list {
    flex: 1;
    box-sizing: border-box;
    padding: 20px;
    display: flex;
    align-items: center;
}

.box>.list>img {
    width: 54px;
    height: 54px;
    border: 1px solid #333;
    margin-right: 15px;
    cursor: pointer;
}

.box>.list>img.active {
    border-color: orange;
}

.box>.enlarge {
    width: 400px;
    height: 400px;
    position: absolute;
    left: 110%;
    top: 0;

    overflow: hidden;

    /* display: none; */
}

.box>.enlarge>img {
    display: block;
    width: 800px;
    height: 800px;
    position: absolute;
    left: 0;
    top: 0;
}
